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    <script src="../libraries/RGraph.meter.js" ></script>
    
    <title>RGraph demo: An image based Meter chart</title>
    
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    <meta name="description" content="An image based Meter chart using a background image as well as a needle image" />
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    <h1>An image based Meter chart with background and needle images</h1>


    <p>
        This Meter uses CSS width/height units on the canvas tag to scale the whole Meter down (the image is 640x640 but the
        canvas is sized by CSS to 400x400).
    </p>
    <canvas id="cvs" width="640" height="640" style="width: 400px; height: 400px">[No canvas support]</canvas>

    <script>
        window.onload = function ()
        {
            var meter = new RGraph.Meter({
                id: 'cvs',
                min: 0,
                max: 9,
                value: 8.5,
                options: {
                    centerx: 321,
                    centery: 298,
                    backgroundColor: 'rgba(0,0,0,0)',
                    backgroundImageUrl: '../images/meter-image-sd.png',// DO NOT ADD / AT THE START OF THE PATH
                    backgroundImageStretch: true,
                    backgroundImageOffsetx: 0,
                    backgroundImageOffsety: 0,
                    scaleDecimals: 1,
                    needleColor: 'rgba(0,0,0,0)',
                    needleImageUrl: '../images/meter-image-sd-needle.png', // DO NOT ADD / AT THE START OF THE PATH
                    needleImageOffsetx: -94,
                    needleImageOffsety: -40,
                    colorsRanges: [],
                    tickmarksBigNum: 0,
                    tickmarksSmallNum: 0,
                    border: false,
                    labels: false,
                    textSize: 36,
                    centerpinStroke: 'rgba(0,0,0,0)',
                    centerpinFill: 'rgba(0,0,0,0)',
                    anglesStart: 2.69,
                    anglesEnd: 7.38
                }
            }).draw()
            
            //meter.canvas.onclick = function (e)
            //{
            //    var value = meter.getValue(e);
            //
            //    if (typeof value === 'number') {
            //        meter.value = value;
            //        meter.grow();
            //    }
            //}
        };
    </script>






    <p></p>

    This goes in the documents header:
    <pre class="code">
&lt;script src="RGraph.common.core.js"&gt;&lt;/script&gt;
&lt;script src="RGraph.common.dynamic.js"&gt;&lt;/script&gt;
&lt;script src="RGraph.meter.js"&gt;&lt;/script&gt;
</pre>
    
    Put this where you want the chart to show up:
    <pre class="code">
&lt;canvas id="cvs" width="640" height="640" style="width: 400px; height: 400px"&gt;
    [No canvas support]
&lt;/canvas&gt;
</pre>

    This is the code that generates the chart:
    <pre class="code">
&lt;script&gt;
    window.onload = function ()
    {
        var meter = new RGraph.Meter({
            id: 'cvs',
            min: 0,
            max: 9,
            value: 8.5,
            options: {
                centerx: 321,
                centery: 298,
                backgroundColor: 'rgba(0,0,0,0)',
                backgroundImageUrl: '/images/meter-image-sd.png',
                backgroundImageStretch: true,
                backgroundImageOffsetx: 0,
                backgroundImageOffsety: 0,
                scaleDecimals: 1,
                needleColor: 'rgba(0,0,0,0)',
                needleImageUrl: '/images/meter-image-sd-needle.png',
                needleImageOffsetx: -94,
                needleImageOffsety: -40,
                colorsRanges: [],
                tickmarksBigNum: 0,
                tickmarksSmallNum: 0,
                border: false,
                labels: false,
                textSize: 36,
                centerpinStroke: 'rgba(0,0,0,0)',
                centerpinFill: 'rgba(0,0,0,0)',
                anglesStart: 2.69,
                anglesEnd: 7.38
            }
        }).draw()
        
        <span>//meter.canvas.onclick = function (e)
        //{
        //    var value = meter.getValue(e);
        //
        //    if (typeof value === 'number') {
        //        meter.value = value;
        //        meter.grow();
        //    }
        //}</span>
    };
&lt;/script&gt;
</pre>
    
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